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Method And Sequence Of Disassembly Of Metal Wound Gasket

- Nov 08, 2017 -

Metal wound Gasket Disassembly methods are:

1. Uniform Discharge method

Symmetrical, uniform, rotate back Sonfalan bolt 1/4~1 ring, then formally remove bolts.


2. Derusting method

The thread is soaked with kerosene or rust remover, removes rust, increases lubrication and facilitates disassembly of parts.


3. Swelling Relaxation method

Insert flange by means of wedge iron and other tools.


4. Ejector Bar Method

For rust die, adhesive gasket, first remove the bolt, then close the valve, with the valve stem top open the bonnet.


5. Tapping method

Tapping the valve body with tools such as copper rods and hammer to remove the parts and gaskets after loosening.


6. Wet method

Soak the gasket with solvent, kerosene and so on, soften or peel the sealing surface and disassemble it.


7. Punching Ring method

Aberdeen is a four-ring fixed, ring groove gap Small and no wrench, when the four open ring after the demolition of the candle is very difficult. The hole can be removed from the outside of the valve, and the four open rings are removed with a flat-type flush.


8. Shovel Scraping method

It is especially suitable for gasket and rubber ASBESTOS gasket to eliminate gasket and its residue by using blade to close the sealing surface.

SEAL GASKET Disassembly Sequence: Remove the preload on the gasket, open the static sealing device, remove the gasket, remove the gasket residue.


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